the u.s. institute of peace and author of the book "rock the casbah." she just returned from a trip to the middle east. let's start with the shooting. a very fragile truce right now, a fragile cease-fire, how threatening is an incident like this? >> in 64 years of conflict we've had dozens of cease-fires that are fallen apart. this one was always vulnerable. tempers are particularly explosive. but both sides have a vested interest right now in trying to generate movement for the palestinians, the opening of gaza, the end of the blockade, or the easing of the blockade, that's crippled the economy now for four years, and the israelis want security, obviously, for because of the hamas rockets hit for the first time as far as tel aviv and jerusalem. so there's motive to move forward. the question is, is there the will. that's always been the issue. >> both sides have the motive to move forward, as you say. both sides also claiming victory in this small skirmish over the last several days. want to